#include <stdio.h>

int main()
{
    int i,num;
    num = 2;
    for(i = 0;i < 3; i++)
    {
        printf("\40:The num equal %d\n",num);
        num++;
        {
            auto int num = 1;
            printf("\40:The internal block num equal %d\n",num);
            num++;
        }
    }
}